Synopsis:An attempt at a dangerous zero-knot maneuver during an air show by ROK Black Eagle Special Squad pilot Tae-hun (RAIN a.k.a. JUNG Ji-hoon) turns the event into a scene of chaos and he's kicked out of the team. He is transferred to 21st Fighter Wing and meets his former classmates Yu-jin (LEE Ha-na) and Eagle squad leader Dae-seo (KIM Sung-soo). One peaceful afternoon, an unidentified fighter jet appears in the sky of Seoul and 21st Fighter Wing is scrambled to chase after the mysterious fighter. Seoul suffers catastrophic damage from the sudden attack, and although they succeed in securing the city, Dae-seo is shot down while trying to lure the bogey away from civilian area and another bigger threat is looming on the horizon that could end in an all-out nuclear war?